45017393 has 2 divisors, whose sum is σ = 45017394. Its totient is φ = 45017392.

The previous prime is 45017389. The next prime is 45017429. The reversal of 45017393 is 39371054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36820624 + 8196769 = 6068^2 + 2863^2 .

It is a cyclic number.

It is not a de Polignac number, because 45017393 - 2² = 45017389 is a prime.

It is not a weakly prime, because it can be changed into another prime (45017333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22508696 + 22508697.

It is an arithmetic number, because the mean of its divisors is an integer number (22508697).

Almost surely, 2^45017393 is an apocalyptic number.

It is an amenable number.

45017393 is a deficient number, since it is larger than the sum of its proper divisors (1).

45017393 is an equidigital number, since it uses as much as digits as its factorization.

45017393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 45017393 is about 6709.5002049333. The cubic root of 45017393 is about 355.7351505056.

The spelling of 45017393 in words is "forty-five million, seventeen thousand, three hundred ninety-three".